35 Ill. Adm. Code 831.106
Site Identification
Section 831
Section 831.106 Site
Identification
For existing permitted sites,
the site name and the Illinois Inventory Identification Number previously
assigned by the Agency shall be used in correspondence with the Agency
regarding the facility. Permit applications for new facilities must include the
proposed facility name, the latitude and longitude of the site, if available,
the legal description of the site, if available, and the physical location,
including at a minimum the city or township, county, state and zip code. An
Illinois Inventory Identification Number will be assigned by the Agency.